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Microsoft-vendetta hacker has a new zero day that gives system privileges on fully patched Windows

Published

12 August 2026

Topic

opportunities

Sectors

Cybersecurity

Geography

United States

Source

Read at theregister.com

Verified

Fusion42 · 12 August 2026 · Fusion42 review

A hacker known for targeting Microsoft has discovered a new zero-day vulnerability that grants system-level privileges on fully patched Windows systems, posing critical security risks.

This Wire brief sits within Fusion42's coverage of Cybersecurity.

◆ The Wire takeaway

You must urgently evaluate your Windows security posture and patch deployment strategies as this exploit bypasses current protections. Leaving this unaddressed exposes your product and users to full system control attacks.

Coverage

1 source · 12 Aug 2026

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Topics

Cybersecurityzero-daywindowssecurity-exploitmicrosoftsystem-privileges